The coefficient of x in the quadratic equation $ax^2+bx+c=0$ was wrongly taken as 17 in place of 13, and its roots were found to be $-2$ and $-15$ , the actual roots of the equation are

Question

$\begin{array}{1 1} -2\;and\;15 \\ -3\;and\;-10 \\ -4\;anb\;-9 \\ -5\;and \;-6 \end{array}$